1. (a) An alternative onsite wastewater system may be installed or modified without prior department approval if the system

   1. (1) is one that

      1. (A) serves a private residence, multi-family dwelling, commercial facility, or combination of those, with a total on lot-design flow of 1,500 gallons per day or less; or
      2. (B) consists of holding tanks only and serves a temporary or mobile camp associated with mining or oil and gas development; and
   2. (2) meets all separation distance requirements under 18 AAC 72.620;
   3. (3) meets all construction requirements under 18 AAC 72.630;
   4. (4) is installed according to the design and specification of a registered engineer; and

   5. (5) is one for which the registered engineer, or a person under the responsible charge of the registered engineer, inspects construction as necessary to

      1. (A) ensure that the system was constructed in compliance with the design; and
      2. (B) prepare the record documents as required under 18 AAC 72.650(c).
2. (b) An alternative wastewater system that does not meet the requirements of (a)(1)(A) or (B) of this section or that is connected to a source of nondomestic wastewater must have prior department approval in accordance with 18 AAC 72.200 - 18 AAC 72.290 and 18 AAC 72.615.

(Eff. 10/1/2023, Register 247)

Authority: AS 44.46.020, AS 46.03.020, AS 46.03.050, AS 46.03.100